General

  • Target

    TRANSFERENCIA A CEMMSA.exe

  • Size

    754KB

  • Sample

    240617-qwvfcatane

  • MD5

    d6254b026f6948b21e2e432d019e7207

  • SHA1

    ef4417d75d2c73b595c0907e9dd1dd46d529dd69

  • SHA256

    50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a

  • SHA512

    4135ce960173169649d66c06e1b5f619abe7852040317b53eba0818dc6b877405bf001fb674c06c25e19061f966012b8bc3b4b3b617ea388b6578ef979583ef9

  • SSDEEP

    12288:U/wRuiQu+P5D1I539Kd2k06LGuXxT+/peL1bndieEACR5leZlN:Yauc+xD1qtZCaBeL1p7EA+er

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      TRANSFERENCIA A CEMMSA.exe

    • Size

      754KB

    • MD5

      d6254b026f6948b21e2e432d019e7207

    • SHA1

      ef4417d75d2c73b595c0907e9dd1dd46d529dd69

    • SHA256

      50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a

    • SHA512

      4135ce960173169649d66c06e1b5f619abe7852040317b53eba0818dc6b877405bf001fb674c06c25e19061f966012b8bc3b4b3b617ea388b6578ef979583ef9

    • SSDEEP

      12288:U/wRuiQu+P5D1I539Kd2k06LGuXxT+/peL1bndieEACR5leZlN:Yauc+xD1qtZCaBeL1p7EA+er

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks